San Francisco Marathon logo
SF MARATHON 2023

Chelsea Sanchez

Bib: 4298•F•Age: 27

Lafayette, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 4888
Gender (Female)
#0 / 1310
Division (F25-29)
#0 / 367
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2.2 Miles
21:09
Rank: #4174
Start → 2.2 Miles
21:09 | 9:37/mi
5.7 Miles
1:01:07
Rank: #3825 (+349)
2.2 Miles → 5.7 Miles
39:58 | 11:25/mi
6.43 Miles
1:11:29
Rank: #3725 (+100)
5.7 Miles → 6.43 Miles
10:22 | 14:12/mi
10.92 Miles
1:56:16
Rank: #3495 (+230)
6.43 Miles → 10.92 Miles
44:47 | 9:58/mi
Garmin Hill Challenge· 11.42 mi
2:02:34
Rank: #3434 (+61)
10.92 Miles → Garmin Hill Challenge
6:18 | 12:36/mi
14.95 Miles
2:36:51
Rank: #3398 (+36)
Garmin Hill Challenge → 14.95 Miles
34:17 | 9:43/mi
18 Miles
3:12:35
Rank: #3229 (+169)
14.95 Miles → 18 Miles
35:44 | 11:43/mi
24 Miles
4:19:45
Rank: #3065 (+164)
18 Miles → 24 Miles
1:07:10 | 11:12/mi
Finish· 26.22 mi
4:44:36
Rank: #3054 (+11)
24 Miles → Finish
24:51 | 11:12/mi
Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:43:5421:099:3721:09
9:37
-
5.7 Miles
5.70 mi06:23:521:01:0710:4339:58
11:25
+1:48
6.43 Miles
6.43 mi06:34:141:11:2911:0710:22
14:12
+2:47
10.92 Miles
10.92 mi07:19:011:56:1610:3944:47
9:58
-4:14
Garmin Hill Challenge
11.42 mi07:25:192:02:3410:446:18
12:36
+2:38
14.95 Miles
14.95 mi07:59:362:36:5110:2934:17
9:43
-2:53
18 Miles
18.00 mi08:35:203:12:3510:4235:44
11:43
+2:00
24 Miles
24.00 mi09:42:304:19:4510:491:07:10
11:12
-0:31
Finish
26.22 mi10:07:214:44:3610:5224:51
11:12
0:00

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:37 /mi

Average Pace

10:52 /mi

Slowest Pace

14:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:40:13

35% of race

Time at Steady Pace

2:47:43

59% of race

Time at Slower Pace

16:40

6% of race

Average Pace: 10:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2.2 Miles
2.20 mi05:43:5421:099:3721:09
9:37
#4174
5.7 Miles
5.70 mi06:23:521:01:0710:4339:58
11:25
#3825
6.43 Miles
6.43 mi06:34:141:11:2911:0710:22
14:12
#3725
10.92 Miles
10.92 mi07:19:011:56:1610:3944:47
9:58
#3495
Garmin Hill Challenge
11.42 mi07:25:192:02:3410:446:18
12:36
#3434
14.95 Miles
14.95 mi07:59:362:36:5110:2934:17
9:43
#3398
18 Miles
18.00 mi08:35:203:12:3510:4235:44
11:43
#3229
24 Miles
24.00 mi09:42:304:19:4510:491:07:10
11:12
#3065
Finish
26.22 mi10:07:214:44:3610:5224:51
11:12
#3054
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2.2 Miles2.20 mi2.20 mi417410002854174(Top 85%)1000(Top 76%)285(Top 78%)
5.7 Miles5.70 mi3.50 mi3825+349885+115256+293664(Top 75%)833(Top 64%)244(Top 66%)
6.43 Miles6.43 mi0.73 mi3725+100839+46244+123115(Top 64%)635(Top 48%)200(Top 54%)
10.92 Miles10.92 mi4.49 mi3495+230757+82230+143252(Top 67%)680(Top 52%)213(Top 58%)
Garmin Hill Challenge11.42 mi0.50 mi3434+61737+20226+42737(Top 56%)504(Top 38%)178(Top 49%)
14.95 Miles14.95 mi3.53 mi3398+36726+11224+23293(Top 67%)712(Top 54%)225(Top 61%)
18 Miles18.00 mi3.05 mi3229+169682+44215+92723(Top 56%)547(Top 42%)170(Top 46%)
24 Miles24.00 mi6.00 mi3065+164656+26201+142739(Top 56%)632(Top 48%)189(Top 51%)
Finish26.22 mi2.22 mi3054+11662-6203-22907(Top 59%)705(Top 54%)209(Top 57%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 85%
×1human
+8ft-12ft

Overall

4174

Females

1000

F25-29

288

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 75%
×6stories
+92ft-87ft

Overall

3664

Females

833

F25-29

246

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 64%
×11stories
+137ft-3ft

Overall

3115

Females

635

F25-29

202

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 67%
×21stories
+225ft-318ft

Overall

3252

Females

680

F25-29

215

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 56%
×11stories
+134ft-123ft

Overall

2737

Females

504

F25-29

180

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 67%
×16stories
+234ft-225ft

Overall

3293

Females

712

F25-29

227

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 56%
×12stories
+165ft-60ft

Overall

2723

Females

547

F25-29

172

18 Miles→24 Miles

18.0 - 24.0 mi

Top 56%
×21stories
+142ft-377ft

Overall

2739

Females

632

F25-29

190

24 Miles→Finish

24.0 - 26.2 mi

Top 59%
~flat
+2ft-2ft

Overall

2907

Females

705

F25-29

209

Passing Analysis

Category:
Athletes Passed
1304*
Passed By
184
Net Change
+1120
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#4174
2.2 Miles → 5.7 Miles381*32+349#4174#3825
5.7 Miles → 6.43 Miles11414+100#3825#3725
6.43 Miles → 10.92 Miles245*15+230#3725#3495
10.92 Miles → Garmin Hill Challenge709+61#3495#3434
Garmin Hill Challenge → 14.95 Miles6630+36#3434#3398
14.95 Miles → 18 Miles183*14+169#3398#3229
18 Miles → 24 Miles206*42+164#3229#3065
24 Miles → Finish39*28+11#3065#3054
TOTALS1304*184+1120

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events